nParapterum(Zoöl) A special plate situated on the sides of the mesothorax and metathorax of certain insects.
Century Dictionary and Cyclopedia
nparapterumIn entomology, the third one of the three sclerites into which each pleuron, right and left, or lateral segment of each thoracic somite, is divisible, the first and second of these sclerites being respectively the episternum and the epimeron. There are a propleural, a mesopleural, and a metapleural parapterum on each side of an insect's thorax. See parapleurum.
nparapterumIn ornithology, the scapular and adjoining feathers of the wing.
Chambers's Twentieth Century Dictionary
nParapterumpa-rap′te-rum (entom.) the third sclerite of each pleuron, or lateral segment of each thoracic somite—the first and second, the episternum, and the epimeron: in birds, the scapular and adjoining feathers of the wing